diff --git a/.gitignore b/.gitignore
index 4ce6fdde..5b41804a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,9 @@
+# File created using '.gitignore Generator' for Visual Studio Code: https://bit.ly/vscode-gig
+
+# Created by https://www.toptal.com/developers/gitignore/api/windows,visualstudiocode,csharp,dotnetcore
+# Edit at https://www.toptal.com/developers/gitignore?templates=windows,visualstudiocode,csharp,dotnetcore
+
+### Csharp ###
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 ##
@@ -13,6 +19,9 @@
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs
 
+# Mono auto generated files
+mono_crash.*
+
 # Build results
 [Dd]ebug/
 [Dd]ebugPublic/
@@ -26,6 +35,7 @@ bld/
 [Bb]in/
 [Oo]bj/
 [Ll]og/
+[Ll]ogs/
 
 # Visual Studio 2015/2017 cache/options directory
 .vs/
@@ -39,9 +49,10 @@ Generated\ Files/
 [Tt]est[Rr]esult*/
 [Bb]uild[Ll]og.*
 
-# NUNIT
+# NUnit
 *.VisualState.xml
 TestResult.xml
+nunit-*.xml
 
 # Build Results of an ATL Project
 [Dd]ebugPS/
@@ -122,9 +133,6 @@ _ReSharper*/
 *.[Rr]e[Ss]harper
 *.DotSettings.user
 
-# JustCode is a .NET coding add-in
-.JustCode
-
 # TeamCity is a build add-in
 _TeamCity*
 
@@ -135,6 +143,9 @@ _TeamCity*
 .axoCover/*
 !.axoCover/settings.json
 
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*[.json, .xml, .info]
+
 # Visual Studio code coverage results
 *.coverage
 *.coveragexml
@@ -182,6 +193,8 @@ PublishScripts/
 
 # NuGet Packages
 *.nupkg
+# NuGet Symbol Packages
+*.snupkg
 # The packages folder can be ignored because of Package Restore
 **/[Pp]ackages/*
 # except build/, which is used as an MSBuild target.
@@ -206,6 +219,8 @@ BundleArtifacts/
 Package.StoreAssociation.xml
 _pkginfo.txt
 *.appx
+*.appxbundle
+*.appxupload
 
 # Visual Studio cache files
 # files ending in .cache can be ignored
@@ -255,7 +270,9 @@ ServiceFabricBackup/
 *.bim.layout
 *.bim_*.settings
 *.rptproj.rsuser
-*- Backup*.rdl
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
 
 # Microsoft Fakes
 FakesAssemblies/
@@ -291,10 +308,6 @@ paket-files/
 # FAKE - F# Make
 .fake/
 
-# JetBrains Rider
-.idea/
-*.sln.iml
-
 # CodeRush personal settings
 .cr/personal
 
@@ -337,4 +350,63 @@ ASALocalRun/
 .localhistory/
 
 # BeatPulse healthcheck temp database
-healthchecksdb
\ No newline at end of file
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+### DotnetCore ###
+# .NET Core build folders
+bin/
+obj/
+
+# Common node modules locations
+/node_modules
+/wwwroot/node_modules
+
+### VisualStudioCode ###
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+### VisualStudioCode Patch ###
+# Ignore all local history of files
+.history
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/windows,visualstudiocode,csharp,dotnetcore
+
+# Custom rules (everything added below won't be overriden by 'Generate .gitignore File' if you use 'Update' option)
+
+!/deps/*.nupkg
\ No newline at end of file
diff --git a/deps/Neo.Network.RPC.RpcClient.3.0.0-preview3.nupkg b/deps/Neo.Network.RPC.RpcClient.3.0.0-preview3.nupkg
new file mode 100644
index 00000000..5e6afc6b
Binary files /dev/null and b/deps/Neo.Network.RPC.RpcClient.3.0.0-preview3.nupkg differ
diff --git a/deps/RpcServer.3.0.0-preview3.nupkg b/deps/RpcServer.3.0.0-preview3.nupkg
new file mode 100644
index 00000000..1208e81a
Binary files /dev/null and b/deps/RpcServer.3.0.0-preview3.nupkg differ